[ 1311.941597][T11333] 
[ 1311.941736][T11333] =============================
[ 1311.941912][T11333] WARNING: suspicious RCU usage
[ 1311.942083][T11333] 6.12.0-virtme #1 Not tainted
[ 1311.942252][T11333] -----------------------------
[ 1311.943116][T11333] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1311.943390][T11333] 
[ 1311.943390][T11333] other info that might help us debug this:
[ 1311.943390][T11333] 
[ 1311.943712][T11333] 
[ 1311.943712][T11333] rcu_scheduler_active = 2, debug_locks = 1
[ 1311.943963][T11333] no locks held by smcrouted/11333.
[ 1311.944142][T11333] 
[ 1311.944142][T11333] stack backtrace:
[ 1311.944350][T11333] CPU: 0 UID: 0 PID: 11333 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1311.944611][T11333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1311.944821][T11333] Call Trace:
[ 1311.944948][T11333]  <TASK>
[ 1311.945035][T11333]  dump_stack_lvl+0xb0/0xd0
[ 1311.945200][T11333]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1311.945361][T11333]  ip6mr_get_table+0x142/0x190
[ 1311.945522][T11333]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1311.945688][T11333]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1311.945889][T11333]  ? __lock_release+0x103/0x460
[ 1311.946050][T11333]  ? __might_fault+0x11b/0x170
[ 1311.946209][T11333]  ? trace_lock_acquire+0x14d/0x1f0
[ 1311.946371][T11333]  ? __might_fault+0xc3/0x170
[ 1311.946551][T11333]  ? lock_acquire+0x32/0xc0
[ 1311.946711][T11333]  ? __might_fault+0xc3/0x170
[ 1311.946872][T11333]  ? __might_fault+0x11b/0x170
[ 1311.947035][T11333]  do_ipv6_setsockopt+0x705/0x34e0
[ 1311.947193][T11333]  ? validate_chain+0x160/0xae0
[ 1311.947355][T11333]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1311.947512][T11333]  ? __pfx_validate_chain+0x10/0x10
[ 1311.947674][T11333]  ? hlock_class+0x4e/0x130
[ 1311.947831][T11333]  ? mark_lock+0x38/0x3e0
[ 1311.947955][T11333]  ? __lock_acquire+0xb9a/0x1680
[ 1311.948120][T11333]  ? find_held_lock+0x2c/0x110
[ 1311.948281][T11333]  ? __lock_release+0x103/0x460
[ 1311.948454][T11333]  ? __create_object+0x5e/0xb0
[ 1311.948625][T11333]  ? __pfx___lock_release+0x10/0x10
[ 1311.948793][T11333]  ? __pfx_validate_chain+0x10/0x10
[ 1311.948960][T11333]  ? hlock_class+0x4e/0x130
[ 1311.949130][T11333]  ? mark_lock+0x38/0x3e0
[ 1311.949268][T11333]  ? ipv6_setsockopt+0x7f/0xe0
[ 1311.949437][T11333]  ipv6_setsockopt+0x7f/0xe0
[ 1311.949641][T11333]  rawv6_setsockopt+0xb7/0x550
[ 1311.949803][T11333]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1311.949961][T11333]  ? find_held_lock+0x2c/0x110
[ 1311.950117][T11333]  ? kfree+0x2d/0x340
[ 1311.950236][T11333]  ? __lock_release+0x103/0x460
[ 1311.950395][T11333]  ? fd_install+0x1d1/0x5a0
[ 1311.950587][T11333]  do_sock_setsockopt+0x149/0x3a0
[ 1311.950748][T11333]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1311.950921][T11333]  __sys_setsockopt+0xec/0x160
[ 1311.951080][T11333]  __x64_sys_setsockopt+0xbd/0x160
[ 1311.951234][T11333]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1311.951434][T11333]  do_syscall_64+0xc1/0x1d0
[ 1311.951598][T11333]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1311.951793][T11333] RIP: 0033:0x7f0791ccb91e
[ 1311.951963][T11333] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9
[ 1311.952515][T11333] RSP: 002b:00007ffd4899ffa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1311.952760][T11333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0791ccb91e
[ 1311.952993][T11333] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1311.953225][T11333] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1311.953460][T11333] R10: 00007ffd4899ffcc R11: 0000000000000246 R12: 0000000000000000
[ 1311.953696][T11333] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0791dd0000
[ 1311.953942][T11333]  </TASK>
[ 1311.956876][T11333] veth0: entered allmulticast mode
[ 1311.957414][T11333] veth1: entered allmulticast mode
[ 1311.957741][T11333] veth2: entered allmulticast mode
[ 1311.958053][T11333] veth3: entered allmulticast mode
[ 1311.958362][T11333] veth4: entered allmulticast mode
[ 1311.958688][T11333] veth5: entered allmulticast mode
[ 1337.687931][T11333] veth0: left allmulticast mode
[ 1337.688259][T11333] veth1: left allmulticast mode
[ 1337.688525][T11333] veth2: left allmulticast mode
[ 1337.688774][T11333] veth3: left allmulticast mode
[ 1337.689015][T11333] veth4: left allmulticast mode
[ 1337.689255][T11333] veth5: left allmulticast mode